Newlyweds Grace and Adam are stabbed to death in their home by a burglar, who steals a car and flees to the Scottish Highlands.
The police question the Elliots and the Douglases, and betrayals come to light. Juliet faces the consequences of her actions.
As the village readies for Adam and Grace's funeral, more family secrets emerge. Juliet receives disturbing news.
Claire searches for answers and makes a shocking discovery as the pieces of the puzzle begin to fit together.